问题
单项选择题 A1/A2型题
蛋白质的空间构象主要取决于（）
A.α-螺旋和β-折叠
B.肽链中肽键的构象
C.肽链氨基酸的排列顺序
D.肽链中的二硫键
E.肽链中的氢键
答案
参考答案：C
解析：蛋白质的空间构象是由一级结构决定的。
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蛋白质的空间构象主要取决于（）
A.α-螺旋和β-折叠
B.肽链中肽键的构象
C.肽链氨基酸的排列顺序
D.肽链中的二硫键
E.肽链中的氢键
参考答案：C
解析：蛋白质的空间构象是由一级结构决定的。
| 用所给单词填空 | |
Mark: (1)_____ is she? Is she at the library? Alice: No, she's in the living room. She is doing her homework. And that's my (2)_____. Mark: Is he doing his (3)_____, too? Alice: No, he's seeing his an action movie on TV and (4)_____ french fries, and this is a picture of my (5)_____ and my mother at Huaxing Clothing store. They really like shopping. | |
| (1)_____ (2)_____ (3)_____ (4)_____ (5)_____ |